plot \
   'output\judyseq-build.txt'      using 3:(column($2)/($0*$$3+$1)) title "judy seq", \
   'output\judyseq-scale64-build.txt' using 3:(column($2)/($0*$$3+$1)) title "judy seq64", \
   'output\judyrand0688-build.txt' using 3:(column($2)/($0*$$3+$1)) title "judy rand22", \
   'output\judyupper-build.txt'    using 3:(column($2)/($0*$$3+$1)) title "judy uppercase", \
   'output\judysymbol-build.txt'    using 3:(column($2)/($0*$$3+$1)) title "judy symbol", \
   'output\judyrand-build.txt'     using 3:(column($2)/($0*$$3+$1)) title "judy rand32", \
   'output\hashupper-build.txt'    using 3:(column($2)/($0*$$3+$1)) title "hash uppercase", \
   'output\hashseq-build.txt'      using 3:(column($2)/($0*$$3+$1)) title "hash seq", \
   'output\hashrand-build.txt'     using 3:(column($2)/($0*$$3+$1)) title "hash rand32"